11271340 has 24 divisors (see below), whose sum is σ = 25062912. Its totient is φ = 4243200.

The previous prime is 11271319. The next prime is 11271361. The reversal of 11271340 is 4317211.

11271340 is nontrivially palindromic in base 13.

It is an interprime number because it is at equal distance from previous prime (11271319) and next prime (11271361).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16236 + ... + 16915.

It is an arithmetic number, because the mean of its divisors is an integer number (1044288).

Almost surely, 2^11271340 is an apocalyptic number.

11271340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11271340 is an abundant number, since it is smaller than the sum of its proper divisors (13791572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11271340 is a wasteful number, since it uses less digits than its factorization.

11271340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33177 (or 33175 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 11271340 is about 3357.2816384688. The cubic root of 11271340 is about 224.2118266203.

Adding to 11271340 its reverse (4317211), we get a palindrome (15588551).

It can be divided in two parts, 11271 and 340, that added together give a palindrome (11611).

The spelling of 11271340 in words is "eleven million, two hundred seventy-one thousand, three hundred forty".